What Everyone Should Know About Wheel Alignment
On
this vehicle, the front wheels are not aligned to the rear thrust line.
This can happen from normal wear and stress, whether your vehicle has
adjustable or non-adjustable rear suspension.
To steer straight ahead, you would have to steer the front wheels slightly to the right.
A common result would be that the vehicle would “dog track” and possibly
“pull” to the side.
Of course, the angles are exaggerated so you can more easily see the
condition. But it takes only a small misalignment to create problems.
Why Four Wheel Alignment?
Reduced Tire Wear
Improper alignment is a major cause of premature tire wear. Over the
years, a properly aligned vehicle can add thousands of miles to tire life.
Better Gas Mileage
Gas mileage increases as rolling resistance decreases. Total alignment
sets all four wheel parallel which, along with proper inflation, minimizes
rolling resistance.
Improved Handling
Does your car pull to one side? Does the steering wheel vibrate? Do you
constantly have to move the steering wheel to keep your car traveling
straight ahead? Many handling problems can be corrected by total alignment.
With all the system components aligned properly, road shock is more efficiently
absorbed for a smoother ride.
Safer Driving
A suspension system inspection is part of our alignment procedure. This
allows us to spot worn parts before they cause costly problems.
Here's what we do:
For vehicles with non-adjustable rear suspensions 
- Angle readings are measured at all four wheels.
- The steering wheel is centered.
- Front wheels are referenced to rear thrust line and set to specifications.
Result: All four wheels are parallel and the steering wheel is centered.
For vehicles with adjustable rear suspensions 
- Angle readings are measured at all four wheels.
- Rear wheels are set to specification. (Rear thrust line corresponds to vehicle centerline.)
- Steering wheel is centered.
- Front wheels are referenced to the rear thrust line and set to specification.
Result: all four wheels are positioned straight ahead and parallel,
and the steering wheel is centered.
Important Questions About Wheel Alignment
Q. How important is wheel alignment?
A. Think of it this way. Research indicates that the average car
is driven about 12,000 miles per year. A car with toe alignment just 0.34
degrees (Just 0.17 inches) out of specification has dragged its tires
sideways for more than 68 miles by the end of the year!
Q. What are the “symptoms” of a car that's out of alignment?
A. Have your car checked if you notice:
- Excessive or uneven tire wear.
- Steering wheel pulls to the left or right.
- Feeling of looseness or wandering.
- Steering wheel vibration or shimmy.
- Steering wheel is not centered when car is moving straight ahead.
Q. How often should I have my car aligned?
A. Follow the vehicle manufacturer's recommendation noted in your
owner's manual. But, as a general rule, have your vehicle's tires checked
every 10,000 miles or at least once a year.
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